【Ten Years of Rapid Development in Chemical Equipment】The heavy oil slurry-bed hydrogenation and depolymerization conversion technology was evaluated as successful between 1578 and 2024

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In the spring of 2024, when flowers are in bloom, Happy Forum **********************【Ten Years of Great Development in Chemical Equipment】A continuously updated summary post is available; feel free to join the discussions at https://bbs.hcbbs.com/thread-3576046-1-1.html (Source: Haichuan Chemical Industry Forum Website) ***************** On April 16, 2024, the research team led by researchers Tian Zhijian and Ma Huaijun from the Group for New Catalytic Materials and Processes for Alkane Conversion (DNL0802) within the Department of Fossil Energy and Applied Catalysis at Dalian Institute of Chemical Physics, in collaboration with Karamay Xianneng Science and Technology Heavy Oil Development Co., Ltd., developed a technology for the hydrodecomposition and conversion of heavy oil using a slurry-bed process. This technology passed the evaluation of scientific and technological achievements organized by the China Petroleum and Chemical Industry Federation (hereinafter referred to as “CPCIF”). The evaluation meeting will be chaired by Zhao Ming, head of the Science and Technology Projects Department of the Petrochemical Federation’s Science, Technology and Equipment Division. The evaluation committee is composed of 8 experts, with Academician He Mingyuan serving as the chairman and Academician Zhang Tao as the vice-chairman. At the meeting, Tian Zhijian presented a work report, a research report, and a novelty search report titled “Hydrodecomposition and Conversion Technology for Heavy Oil in Slurry Bed Reactors,” detailing the development process of catalysts, reactors, and reaction processes, as well as the construction and operation of a 1,000-ton-scale industrial test facility ； “Professor Cao Jian, a senior engineer of the professorial level and head of the expert panel for the on-site evaluation of the 1,000-ton-scale test facility for the \"Heavy Oil Slurry Bed Hydrodeconstruction Conversion Technology,\" presented a report on the evaluation of the industrial-scale test facility. The evaluation committee carefully reviewed the assessment report, the novelty search report, and related evaluation materials, and held in-depth discussions with members of the R&D team. Finally, the evaluation committee unanimously agreed that the \"heavy oil slurry-bed hydrodeconstruction conversion technology\" features advanced indicators and strong applicability; it constitutes a new process for the efficient conversion and lightening of heavy oil, different from conventional heavy oil hydrocracking, and has reached an internationally leading level. Since 2010, the teams led by Tian Zhijian and Ma Huaijun have addressed the technical challenges associated with heavy oil conversion by proposing a new mechanism of \"asphaltene hydrogenolysis.\" They developed surface-amphiphilic, highly dispersed, and low-packing nano-MoS2 catalysts as well as a new slurry-bed reactor, thereby creating a technology for the hydrogenolytic conversion of heavy oil via catalyst external sulfidation and recycling. This technology features a simple process flow, strong adaptability to heavy oil feedstocks, stable operation of the equipment, low slag production, and no wear. It achieves a high conversion rate for heavy oil, high yields of liquids, low hydrogen consumption, and low amounts of dry gas; its reaction efficiency is superior to that of existing heavy oil conversion technologies. Starting in 2016, with the support of Karamay City, the team collaborated with Karamay Xianneng Kechuang Heavy Oil Development Co., Ltd. to build a kiloton-scale experimental facility for the hydrodecomposition and conversion of heavy oil using a slurry bed process. Between 2020 and 2023, the collaborative team conducted kiloton-scale experiments on the hydrodecomposition and conversion of heavy oils using representative feedstocks such as vacuum residue, extra-heavy oil, asphalt, and ethylene cracking tar. Under reaction pressures of 18 MPa and reaction temperatures of 390 to 420°C, a heavy oil conversion rate of over 97% was achieved, with a dry gas yield of less than 2%, and residue discharge at or below 3.0%. This technology has been granted 33 patents, boasting complete independent intellectual property rights. Currently, construction is underway for an industrial demonstration plant for the hydrodecomposition conversion of heavy oil using a slurry bed process, with a capacity of 200,000 tons per year. This technology is expected to play a key role in the entire petroleum and chemical industry chain, from upstream extraction to downstream processing, and it holds great significance for promoting the \"low-carbon and high-value\" development of China’s refining industry as well as ensuring **energy security**.